[compiler] Add instrumentation for tracking down Node::New crashes.

src/compiler/effect-control-linearizer.h

Index: src/compiler/effect-control-linearizer.h
diff --git a/src/compiler/effect-control-linearizer.h b/src/compiler/effect-control-linearizer.h
index a1eb03cd11ab7d42994a8889ecedf7bc76ad1593..bc18ff8162a84d457e6e6c3d67fe206b4f4ba525 100644
--- a/src/compiler/effect-control-linearizer.h
+++ b/src/compiler/effect-control-linearizer.h
@@ -155,6 +155,7 @@ class V8_EXPORT_PRIVATE EffectControlLinearizer {
   RegionObservability region_observability_ = RegionObservability::kObservable;
   SourcePositionTable* source_positions_;
   GraphAssembler graph_assembler_;
+  Node* frame_state_zapper_;  // For tracking down compiler::Node::New crashes.
 };
 
 }  // namespace compiler